154130618489 has 2 divisors, whose sum is σ = 154130618490. Its totient is φ = 154130618488.

The previous prime is 154130618471. The next prime is 154130618501. The reversal of 154130618489 is 984816031451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150770677264 + 3359941225 = 388292^2 + 57965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154130618489 is a prime.

It is not a weakly prime, because it can be changed into another prime (154130618989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77065309244 + 77065309245.

It is an arithmetic number, because the mean of its divisors is an integer number (77065309245).

Almost surely, 2^154130618489 is an apocalyptic number.

It is an amenable number.

154130618489 is a deficient number, since it is larger than the sum of its proper divisors (1).

154130618489 is an equidigital number, since it uses as much as digits as its factorization.

154130618489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 154130618489 in words is "one hundred fifty-four billion, one hundred thirty million, six hundred eighteen thousand, four hundred eighty-nine".